
This mosaic image is the sharpest wide-angle view ever obtained of the starburst galaxy, Messier 82 (M82). The galaxy is…

Technicians transfer NASA's Juno spacecraft from its rotation fixture to the base of its shipping container in preparation for a…

Technicians transfer NASA's Juno spacecraft from its rotation fixture to the base of its shipping container in preparation for a…

Technicians lift NASA's Juno spacecraft onto a dolly prior to the start of a round of acoustical testing. During acoustical…

Technicians position NASA's Juno spacecraft on a dolly prior to the start of a round of acoustical testing. During acoustical…

NASA's Juno spacecraft rests atop its rotation fixture awaiting transfer to a shipping crate prior to environmental testing. The large…

Technicians install components that will aid with guidance, navigation and control of NASA's Juno spacecraft. Like most of Juno's sensitive…

In this image from Friday, Dec. 17, space shuttle Discovery sat on Launch Pad 39A at NASA's Kennedy Space Center…

This raw image of Saturn's moon Enceladus was taken by NASA's Cassini spacecraft on Dec. 20, 2010. The spacecraft was…

Space shuttle Discovery waits to roll back from Launch Pad 39A to the Vehicle Assembly Building (VAB) at NASA's Kennedy…